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Cheap flights from Incheon Intl Airport to Illinois from $529

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Incheon Intl Airport to Illinois departing on 9/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Incheon Intl Airport to Illinois

Cheap round-trip flights

Enter your travel dates to find the best prices.
Philippine Airlines Logo
7:20 am - 4:55 pm
ICN
-
ORD
24h 35m
1 stop
Philippine Airlines Logo
10:45 pm - 7:15 pm
ORD
-
ICN
29h 30m
1 stop
$1,142Philippine Airlines
Mon, Nov 9 - Mon, Nov 16
WestJet Logo
8:45 pm - 4:40 pm
ICN
-
ORD
33h 55m
1 stop
WestJet Logo
5:30 pm - 6:45 pm
ORD
-
ICN
35h 15m
1 stop
$1,147WestJet
Mon, Jul 27 - Wed, Aug 26
Singapore Airlines Logo
11:50 pm - 6:20 am
ICN
-
ORD
44h 30m
2 stops
Singapore Airlines Logo
7:16 pm - 9:50 am
ORD
-
ICN
48h 34m
2 stops
$1,155Singapore Airlines
Mon, Oct 12 - Thu, Oct 22
Philippine Airlines Logo
7:20 am - 4:55 pm
ICN
-
ORD
24h 35m
1 stop
Philippine Airlines Logo
10:45 pm - 5:55 am
ORD
-
ICN
40h 10m
1 stop
$1,175Philippine Airlines
Mon, Nov 9 - Wed, Nov 18
Air Canada Logo
6:55 pm - 4:38 pm
ICN
-
ORD
36h 43m
1 stop
Air Canada Logo
3:40 pm - 5:10 pm
ORD
-
ICN
34h 30m
1 stop
$1,204Air Canada
Mon, Nov 9 - Thu, Nov 19
Philippine Airlines Logo
8:30 pm - 4:55 pm
ICN
-
ORD
35h 25m
1 stop
Philippine Airlines Logo
10:45 pm - 7:15 pm
ORD
-
ICN
29h 30m
1 stop
$1,222Philippine Airlines
Tue, Nov 17 - Wed, Dec 2
Air Canada Logo
7:05 pm - 7:48 pm
ICN
-
ORD
38h 43m
1 stop
Air Canada Logo
7:45 pm - 4:05 pm
ORD
-
ICN
30h 20m
1 stop
$1,229Air Canada
Mon, Sep 14 - Mon, Sep 28
Asiana Airlines Logo
12:40 pm - 7:05 pm
ICN
-
ORD
20h 25m
1 stop
Asiana Airlines Logo
6:00 am - 3:20 pm
ORD
-
ICN
19h 20m
1 stop
$1,234Asiana Airlines
Thu, Oct 8 - Thu, Oct 15
Delta Logo
7:40 pm - 9:53 am
ICN
-
MDW
28h 13m
2 stops
Delta Logo
6:51 pm - 5:20 pm
MDW
-
ICN
32h 29m
2 stops
$1,520Delta
Mon, Sep 14 - Sat, Sep 26
Delta Logo
7:40 pm - 1:07 pm
ICN
-
MDW
31h 27m
1 stop
Delta Logo
9:49 am - 5:20 pm
MDW
-
ICN
17h 31m
1 stop
$1,529Delta
Thu, Sep 17 - Thu, Sep 24

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Air Canada flights from Incheon Intl Airport to Illinois

Our best Air Canada deals on Incheon Intl Airport to Illinois flight tickets
Air Canada
Sep 14
ICN5:45 pmIncheon Intl
34h 58m
1 stop
ORD2:43 pmChicago O'Hare Intl
Sep 28
ORD3:40 pmChicago O'Hare Intl
34h 25m
1 stop
ICN4:05 pmIncheon Intl
$1,201
Air Canada
Nov 9
ICN6:55 pmIncheon Intl
36h 43m
1 stop
ORD4:38 pmChicago O'Hare Intl
Nov 19
ORD3:40 pmChicago O'Hare Intl
34h 30m
1 stop
ICN5:10 pmIncheon Intl
$1,204
Air Canada
Sep 14
ICN7:05 pmIncheon Intl
38h 43m
1 stop
ORD7:48 pmChicago O'Hare Intl
Sep 28
ORD7:45 pmChicago O'Hare Intl
30h 20m
1 stop
ICN4:05 pmIncheon Intl
$1,229

WestJet flights from Incheon Intl Airport to Illinois

Our best WestJet deals on Incheon Intl Airport to Illinois flight tickets
WestJet
Jul 27
ICN8:45 pmIncheon Intl
33h 55m
1 stop
ORD4:40 pmChicago O'Hare Intl
Aug 26
ORD5:30 pmChicago O'Hare Intl
35h 15m
1 stop
ICN6:45 pmIncheon Intl
$1,147
WestJet
Jul 30
ICN8:45 pmIncheon Intl
33h 55m
1 stop
ORD4:40 pmChicago O'Hare Intl
Aug 26
ORD5:30 pmChicago O'Hare Intl
35h 15m
1 stop
ICN6:45 pmIncheon Intl
$1,227
WestJet
Jul 26
ICN8:45 pmIncheon Intl
33h 55m
1 stop
ORD4:40 pmChicago O'Hare Intl
Aug 26
ORD5:30 pmChicago O'Hare Intl
35h 15m
1 stop
ICN6:45 pmIncheon Intl
$1,244

momondo Fare Finder

 
Customize your flight search to find flights from Incheon Intl Airport to Illinois that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated June 11, 2026.
Use the filters below to find and compare flights from Incheon Intl Airport to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

IncheonChicago

ICN - ORD

ICNORD

Incheon Intl

Mon 11/9

7:20 am-4:55 pm

1 stop24h 35m

Chicago O'Hare Intl

Mon 11/16

10:45 pm-7:15 pm

1 stop29h 30m

$1,142

IncheonChicago

ICN - ORD

ICNORD

Incheon Intl

Mon 7/27

8:45 pm-4:40 pm

1 stop33h 55m

Chicago O'Hare Intl

Wed 8/26

5:30 pm-6:45 pm

1 stop35h 15m

$1,147

IncheonChicago

ICN - ORD

ICNORD

Incheon Intl

Mon 10/12

11:50 pm-6:20 am

2 stops44h 30m

Chicago O'Hare Intl

Thu 10/22

7:16 pm-9:50 am

2 stops48h 34m

$1,155

IncheonChicago

ICN - ORD

ICNORD

Incheon Intl

Mon 11/9

7:20 am-4:55 pm

1 stop24h 35m

Chicago O'Hare Intl

Wed 11/18

10:45 pm-5:55 am

1 stop40h 10m

$1,175

IncheonChicago

ICN - ORD

ICNORD

Incheon Intl

Mon 11/9

6:55 pm-4:38 pm

1 stop36h 43m

Chicago O'Hare Intl

Thu 11/19

3:40 pm-5:10 pm

1 stop34h 30m

$1,204

IncheonChicago

ICN - ORD

ICNORD

Incheon Intl

Tue 11/17

8:30 pm-4:55 pm

1 stop35h 25m

Chicago O'Hare Intl

Wed 12/2

10:45 pm-7:15 pm

1 stop29h 30m

$1,222

IncheonChicago

ICN - ORD

ICNORD

Incheon Intl

Mon 9/14

7:05 pm-7:48 pm

1 stop38h 43m

Chicago O'Hare Intl

Mon 9/28

7:45 pm-4:05 pm

1 stop30h 20m

$1,229
Quickest round-trip

IncheonChicago

ICN - ORD

ICNORD

Incheon Intl

Thu 10/8

12:40 pm-7:05 pm

1 stop20h 25m

Chicago O'Hare Intl

Thu 10/15

6:00 am-3:20 pm

1 stop19h 20m

$1,234

IncheonChicago

ICN - MDW

ICNMDW

Incheon Intl

Mon 9/14

7:40 pm-9:53 am

2 stops28h 13m

Chicago Midway

Sat 9/26

6:51 pm-5:20 pm

2 stops32h 29m

$1,520

IncheonChicago

ICN - MDW

ICNMDW

Incheon Intl

Thu 9/17

7:40 pm-1:07 pm

1 stop31h 27m

Chicago Midway

Thu 9/24

9:49 am-5:20 pm

1 stop17h 31m

$1,529

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Illinois from

How to get the cheapest flight ticket from Incheon Intl Airport to Illinois

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Illinois?

The cheapest month to fly to Illinois from Incheon Intl Airport is in August. Flight prices, which tend to average around $117, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of August, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $225.

What is the cheapest day to depart on your flight to Illinois?

The cheapest day to depart from Incheon Intl Airport to Illinois is on a Wednesday when prices can be found for as low as $1,317. Flights from Incheon Intl Airport to Illinois on a Tuesday will generally be more expensive and average around $1,822. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest Incheon Intl to Illinois flight route?

Fly from Incheon Intl to Chicago O'Hare Intl for the best Incheon Intl - Illinois flight prices

How far in advance should I book a flight from Incheon Intl Airport to Illinois?

You are more likely to see cheaper flights to Illinois from Incheon Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $1,252 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Incheon Intl Airport for as low as $894 on momondo.

What cabin class options are available on Incheon Intl Airport to Illinois flights?

There are 4 cabin classes available to choose from on Incheon Intl Airport to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Incheon Intl Airport to Illinois flights?

No. A direct flight is the cheapest option for a flight between Incheon Intl Airport to Illinois.

Cheap Incheon Intl Airport to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Incheon Intl Airport to Illinois

Best Price Found

$1,915

Fastest flight time

12h 50m

Direct flights

Every day

Airports in Illinois

98 airports
The best flight deal from Incheon Intl Airport to Illinois found on momondo in the last 72 hours is $1,915
The fastest flight from Incheon Intl Airport to Illinois takes 12h 50m
Direct flights go from Incheon Intl Airport to Illinois every day.
There are 98 airports in Illinois. From Incheon Intl Airport there are direct flights to Chicago O'Hare Intl (ORD).
Search flight deals

Frequently asked questions about flying from Incheon Intl Airport to Illinois

  • When did momondo last update prices for flights from Incheon Intl Airport to Illinois?

    Prices for flights from Incheon Intl Airport to Illinois are refreshed on a daily basis.

  • How many operators does momondo search for flights from Incheon Intl Airport to Illinois?

  • How old do you have to be to fly from Incheon Intl Airport to Illinois?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Incheon Intl Airport to Illinois.

  • What documentation or ID do you need to fly to Illinois?

    The required travel and health documents for your Illinois trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Illinois. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Incheon Intl Airport to Illinois?

Best airlines flying from Incheon Intl Airport to Illinois

Compare and see reviews for airlines that fly from Incheon Intl Airport to Illinois with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $269Free CancellationRating
7.9
8,400 reviews
Search Delta flights
Alaska AirlinesPriceFrom $567Free CancellationRating
7.9
12,481 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $586Free CancellationRating
7.4
9,804 reviews
Search United Airlines flights
Korean AirPriceFrom $1,153Free CancellationRating
8.4
1,218 reviews
Search Korean Air flights

Why use momondo?

Why should I use momondo to find a flight deal from Seoul to Illinois?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Seoul to Illinois. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Seoul to Illinois with flexible booking policies on momondo?

momondo does allow users to show only those flights to Illinois from Seoul which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Seoul to Illinois?

Once all potential Seoul to Illinois flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Seoul to Illinois right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Illinois from Seoul. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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